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0755-82798135DC DC Switching Controllers
DC DC Switching Controllers
DC-DC switching controllers are power management ICs used to control external power switches for efficient voltage conversion. They support buck, boost, buck-boost, flyback, and other switching topologies, and are commonly used in power supplies, industrial equipment, automotive electronics, communication systems, servers, battery-powered devices, and embedded applications.
TomatoElec is an independent electronic components distributor supplying DC-DC switching controller ICs from mainstream manufacturers such as Texas Instruments, Analog Devices, STMicroelectronics, onsemi, Infineon, Microchip, Renesas, NXP, Diodes Incorporated, and Monolithic Power Systems. Customers can check inventory, price, package, specifications, parameters and PDF datasheets in the product list below, and submit a BOM or RFQ for DC-DC switching controller sourcing support.
| Photo | Mfr. Part # | Availability | Price | Quantity | Datasheet | Series | Package/Case | Packaging | Product Status | Output Type | Function | Output Configuration | Topology | Number of Outputs | Output Phases | Voltage - Supply (Vcc/Vdd) | Frequency - Switching | Duty Cycle (Max) | Synchronous Rectifier | Clock Sync | Serial Interfaces | Control Features | Operating Temperature | Grade | Qualification | Mounting Type | Supplier Device Package |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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LT8705AIFE#TRPBFIC REG CTRLR BUCK-BOOST 38TSSOP |
0 | - |
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Datasheet |
- | 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C | - | - | Surface Mount | 38-TSSOP-EP |
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LT8705AIUHF#TRPBFIC REG CTRLR BUCK-BOOST 38QFN |
0 | - |
|
Datasheet |
- | 38-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C | - | - | Surface Mount | 38-QFN (5x7) |
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TPS40007TDA3TPS40007TDA3 |
0 | - |
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Datasheet |
- | Die | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | - | - | - | - | - | Yes | No | - | - | 25°C | - | - | - | Die |
|
LTC1629EG-6#TRPBFIC REG CTRLR BUCK 28SSOP |
0 | - |
|
Datasheet |
PolyPhase® | 28-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 36V | 220kHz | 99.5% | Yes | No | - | Enable, Phase Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
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LTC3372HUK#TRPBF60V LOW IQ BUCK CONTROLLER PLUS |
0 | - |
|
Datasheet |
- | 48-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 5 | 1 | 4.5V ~ 60V | 1MHz ~ 3MHz | 98% | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start, Tracking, Watchdog | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 48-QFN (7x7) |
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LT8708EUHG-1#TRPBF80V SYNCHRONOUS 4-SWITCH BUCK-BO |
0 | - |
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Datasheet |
- | 40-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | 80% | Yes | Yes | - | - | -40°C ~ 125°C | - | - | Surface Mount | 40-QFN (5x8) |
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MAX16510GTM+T48V ISOLATED VR CONTROLLER |
0 | - |
|
- |
* | - | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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LT8708IUHG#TRPBF80V SYNCHRONOUS 4-SWITCH BUCK-BO |
0 | - |
|
Datasheet |
- | 40-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | 80% | Yes | Yes | - | - | -40°C ~ 125°C | - | - | Surface Mount | 40-QFN (5x8) |
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LTC1436AEGN#TRPBFIC REG CTRLR BUCK 24SSOP |
0 | - |
|
Datasheet |
- | 24-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 30V | Up to 400kHz | 99% | Yes | No | - | Enable, Power on Reset, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-SSOP |
|
UC2824DWTRIC REG CTRLR BOOST 16SOIC |
0 | - |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 8.4V ~ 30V | 340kHz ~ 460kHz | 80% | No | No | - | Current Limit, Enable, Frequency Control, Ramp, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
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UC2824DWTRG4IC REG CTRLR BOOST 16SOIC |
0 | - |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 8.4V ~ 30V | 340kHz ~ 460kHz | 80% | No | No | - | Current Limit, Enable, Frequency Control, Ramp, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
|
LTC1775IS#TRPBFIC REG CTRLR BUCK/BCK-BST 16SOIC |
0 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive or Negative | Buck, Buck-Boost | 1 | 1 | 4.3V ~ 36V | 150kHz | 99% | Yes | Yes | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SO |
|
LTC1159CG-5#TRPBFIC REG CTRLR BUCK 20SSOP |
0 | - |
|
Datasheet |
- | 20-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive or Negative | Buck | 1 | 1 | 4V ~ 40V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 20-SSOP |
|
LTC1159CG#TRPBFIC REG CTRLR BUCK 20SSOP |
0 | - |
|
Datasheet |
- | 20-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive or Negative | Buck | 1 | 1 | 4V ~ 40V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 20-SSOP |
|
LTC1159CG-3.3#TRPBFIC REG CTRLR BUCK 20SSOP |
0 | - |
|
Datasheet |
- | 20-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive or Negative | Buck | 1 | 1 | 4V ~ 40V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 20-SSOP |
|
LTC1435AIG#TRPBFIC REG CTRLR BUCK 16SSOP |
0 | - |
|
Datasheet |
- | 16-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 30V | Up to 400kHz | 99% | Yes | No | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SSOP |
|
LT8705AHFE#TRPBFIC REG CTRLR BUCK-BOOST 38TSSOP |
0 | - |
|
Datasheet |
- | 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 150°C | - | - | Surface Mount | 38-TSSOP-EP |
|
LTC1149CN-5#PBFIC REG CTRLR BUCK 16DIP |
0 | - |
|
Datasheet |
- | 16-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | Up to 48V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Through Hole | 16-PDIP |
|
LTC1149CN-3.3#PBFIC REG CTRLR BUCK 16DIP |
0 | - |
|
Datasheet |
- | 16-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | Up to 48V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Through Hole | 16-PDIP |
|
LTC3722HGN-1#TRPBFIC REG CTRLR FULL-BRIDGE 24SSOP |
0 | - |
|
Datasheet |
- | 24-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge | 2 | 2 | 3.8V ~ 10.25V | - | 98.5% | Yes | Yes | - | Current Limit, Ramp, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 24-SSOP |

